270  
SXUS45 KMSO 112330  
RECGPI  
 
RECREATION FORECAST FOR FLATHEAD LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
505 PM MDT TUE AUG 11 2026  
 
NOTE: THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF  
THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE  
SIGNIFICANTLY LESS ON UPWIND SHORES.  
   
TONIGHT
 
PARTLY CLOUDY. PATCHY SMOKE EARLY IN THE EVENING, THEN  
AREAS OF SMOKE IN THE LATE EVENING AND OVERNIGHT. LOWS IN THE  
UPPER 50S. VARIABLE WINDS UP TO 10 MPH. WAVES LESS THAN 1 FOOT.    
WEDNESDAY
 
MOSTLY SUNNY. AREAS OF SMOKE. HIGHS IN THE MID 70S.  
VARIABLE WINDS UP TO 10 MPH. WAVES LESS THAN 1 FOOT.    
WEDNESDAY NIGHT
 
BREEZY. PATCHY SMOKE IN THE EVENING. MOSTLY  
CLEAR WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. NORTHEAST  
WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF  
PRECIPITATION 50 PERCENT. WAVES AROUND 1 FOOT...LOCALLY UP TO  
2 FEET.    
THURSDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 70 . VARIABLE WINDS UP TO 10 MPH.  
CHANCE OF PRECIPITATION 70 PERCENT. WAVES AROUND 1 FOOT...LOCALLY  
UP TO 2 FEET.  
 
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